The expected value of the sampling distribution of the sample mean $\bar { X }$ equals the population mean $\mu$: $\begin{array}{|l|l|}
\hline A&\text { when the population is normally distributed.}\
\hline B&\text {when the population is symmetric. }\
\hline C&\text {when the population size $ N30 $. }\
\hline D&\text { for all populations.}\
\hline
\end{array}$

Question

The expected value of the sampling distribution of the sample mean $\bar { X }$ equals the population mean $\mu$: $\begin{array}{|l|l|}
\hline  A&\text { when the population is normally distributed.}\
\hline  B&\text {when the population is symmetric. }\
\hline  C&\text {when the population size $ N>30 $. }\
\hline  D&\text { for all populations.}\
\hline 
\end{array}$

Quizplus · Accepted Answer

The Answer of The expected value of the sampling distribution of the sample mean $\bar { X }$ equals the population mean $\mu$: $\begin{array}{|l|l|}
\hline  A&\text { when the population is normally distributed.}\
\hline  B&\text {when the population is symmetric. }\
\hline  C&\text {when the population size $ N>30 $. }\
\hline  D&\text { for all populations.}\
\hline 
\end{array}$

The Expected Value of the Sampling Distribution of the Sample Xˉ\bar { X }Xˉ

The Expected Value of the Sampling Distribution of the Sample $\bar { X }$